2,4 DICYANO-6-HALOPHENOLS,PROCESS FOR THEIR PREPARATION,AND THEIR USE AS HERBICIDAL AGENTS

The new cpds are of formula (where Y is Cl, Br or I) may be prepared by halogenating 2,4-dicyanophenol with Cl2, Br2, I2 or ICl. The cpds have selective herbicidal activity, and may be used to control weeds in cereal, cotton and carrot crops. They are applied as pre- or post-emergence herbicides, pr...

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Bibliographic Details
Main Authors EUE L, WAGNER K
Format Patent
LanguageEnglish
Published 24.11.1971
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Summary:The new cpds are of formula (where Y is Cl, Br or I) may be prepared by halogenating 2,4-dicyanophenol with Cl2, Br2, I2 or ICl. The cpds have selective herbicidal activity, and may be used to control weeds in cereal, cotton and carrot crops. They are applied as pre- or post-emergence herbicides, pref. at the rate of 1-10 kg/ha.
Bibliography:Application Number: ZA19710001163